Search Results - "Jastrebova, Jelena A"

Novel Conjugates of 1,3-Diacylglycerol and Lipoic Acid: Synthesis, DPPH Assay, and RP-LC-MS-APCI Analysis by Madawala, Samanthi R. P., Andersson, Rolf E., Jastrebova, Jelena A., Almeida, Maria, Dutta, Paresh C.

“…1,3-Diacylglycerol is known to reduce body weight and fat deposits in humans. α-Lipoic acid is a potent antioxidant and effective against many pathological…”
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Comparison of reversed-phase liquid chromatography–mass spectrometry with electrospray and atmospheric pressure chemical ionization for analysis of dietary tocopherols by Lanina, Svetlana A., Toledo, Patricia, Sampels, Sabine, Kamal-Eldin, Afaf, Jastrebova, Jelena A.

“…ESI and APCI ionization techniques in both negative and positive ion modes were evaluated for simultaneous LC–MS analysis of the four tocopherol homologues (α,…”
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Application of liquid chromatography–electrospray ionisation mass spectrometry for determination of dietary folates: Effects of buffer nature and mobile phase composition on sensitivity and selectivity by Patring, Johan D.M., Jastrebova, Jelena A.

“…A sensitive and reliable liquid chromatography–mass spectrometry (LC–MS) method to determine dietary folates was developed and validated. Folates were detected…”
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Antioxidant Hydroquinones Substituted by β-1,6-Linked Oligosaccharides in Wheat Germ by Zhokhov, Sergei S, Jastrebova, Jelena A, Kenne, Lennart, Broberg, Anders

“…Seven new compounds that demonstrate antioxidant properties, 4-hydroxy-3-methoxyphenyl β-d-glucopyranosyl-(1→6)-β-d-glucopyranosyl-(1→6)-β-d-glucopyranoside…”
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Development of a Simplified Method for the Determination of Folates in Baker's Yeast by HPLC with Ultraviolet and Fluorescence Detection by Patring, Johan D. M, Jastrebova, Jelena A, Hjortmo, Sofia B, Andlid, Thomas A, Jägerstad, I. Margaretha

“…A simplified HPLC method for rapid determination of folates in yeast with ultraviolet and fluorescence detection without sample purification has been…”
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Evaluation of impact of different antioxidants on stability of dietary folates during food sample preparation and storage of extracts prior to analysis by Patring, Johan D.M., Johansson, Madelene S., Yazynina, Elena, Jastrebova, Jelena A.

“…A troublesome factor during folate analysis is the instability of folates, especially tetrahydrofolate. This investigation was therefore performed to evaluate…”
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Phytosterol and α-Lipoic Acid Conjugates: Synthesis, Free Radical Scavenging Capacity and RP-LC-MS-APCI Analysis by Madawala, Samanthi, Andersson, Rolf, Jastrebova, Jelena, Almeida, Maria, Dutta, Paresh

“…Plant sterols (PS) are bioactive compounds effective in reducing plasma cholesterol. Fatty acid esters of PS have improved solubility and blending properties…”
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Characterization and quantification of folates produced by yeast strains isolated from kefir granules by Patring, Johan D. M, Hjortmo, Sofia B, Jastrebova, Jelena A, Svensson, Ulla K, Andlid, Thomas A, Jägerstad, I. Margaretha

“…For the first time to our knowledge, distribution and content of individual folate forms in kefir yeast strains were investigated. This was done using a…”
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Applicability of alkyl-bonded ultra-pure silica stationary phases for gradient reversed-phase HPLC of folates with conventional and volatile buffers under highly aqueous conditions by Patring, Johan D. M., Lanina, Svetlana A., Jastrebova, Jelena A.

“…Applicability of several alkyl‐bonded silica stationary phases was tested for gradient RP‐HPLC of folates under highly aqueous conditions. High retention of…”
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